Datasheet Details
Part number:
74AHCT257, 74AHC257
Manufacturer:
File Size:
584.33 KB
Description:
Quad 2-input multiplexer.
Note:
This datasheet PDF includes multiple part numbers: 74AHCT257, 74AHC257.
Please refer to the document for exact specifications by model.
74AHCT257, 74AHC257, Quad 2-input multiplexer
The 74AHC257; 74AHCT257 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL).
It is speciļ¬ed in compliance with JEDEC standard No.
7-A.
The 74AHC257; 74AHCT257 has four identical 2-input multiplexers with 3-state outputs, which select 4 bits of data from two
74AHCT257 Features
* I Balanced propagation delays I All inputs have Schmitt-trigger actions I Non-inverting data path I Inputs accept voltages higher than VCC I Input levels: N For 74AHC257: CMOS level N For 74AHCT257: TTL level I ESD protection: N HBM EIA/JESD22-A114E exceeds 2000 V N MM EIA/JESD22-A115-A exceeds 200
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